cyclic polymers

Cyclic Polymers

Cyclic Polymers

ISBN: , SKU: , AUTHOR: Short, R. Ed. / Semlyen, J. Anthony / Semlyen, E. R., PUBLISHER: Springer, Cyclic Polymers (Second Edition) reviews the many recent advances in this rapidly expanding subject since the publication of the first edition in . The preparation, characterisation, properties and applications of a wide range of organic and inorganic cyclic oligomers and polymers are described in detail, together with many examples of catenanes and rotaxanes. The importance of large cyclics in biological chemistry and molecular biology is emphasised by a wide coverage of circular DNA, cyclic peptides and cyclic oligosaccharides and polysaccharides. Experimental techniques and theoretical aspects of cyclic polymers are included, as well as examples of their uses such as ring opening polymerisation reactions to give commercially important materials. This book covers a wide range of topics which should be of interest to many scientific research workers (for example, in polymer science, chemistry and molecular biology), as well as providing a reference text for undergraduate and graduate students.

Burton AK cyclic pants

Burton AK cyclic pants

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Burton ak 2l cyclic

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Burton giacca ak 2l cyclic gore-tex

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Scarponi sci alpinismo Scarpa Pegasus

Scarponi sci alpinismo Scarpa Pegasus

Scarponi sci alpinismo Scarpa PEGASUS Oggetto nuovo, non usato, non danneggiato, nella confezione originale. Colore: YELLOW TR/BLACK Scarpetta: INSTANT-FIT FLEX PRO Scafo: SELECTED POLYMERS TR Gambetta: SELECTED POLYMERS Lingua: PEBAX® Leve: 4 + ACTIVE POWER STRAP H45 Inclinazione gambetto: ° Suola: ultra leggera CAYMAN SCARPA/VIBRAM® Taglia: 280 (UK) 9 (US) - corrispondente ad un 43 - Lunghezza scafo mm 314 Compatibilità attacchi: TLT-ALPINE TOURING-FREERIDE Vendo causa inutilizzo.

Epoxy Polymers: New Materials and Innovations

Epoxy Polymers: New Materials and Innovations

ISBN: , SKU: , AUTHOR: Pascault, Jean-Pierre / Williams, Roberto J. J., PUBLISHER: Wiley-VCH Verlag GmbH, In the only book to focus on new developments and innovations in this hot field international experts from industry and academia present everything scientists need to know. The first section provides general concepts of the synthesis and properties of epoxy polymers and serves as a basis for the subsequent chapters. The second section includes new types of epoxy polymers recently commercialized or not yet present on the market, while the third section includes chapters related to the capacity of generating controlled nanostructures in epoxy-based materials. A fourth section is devoted to innovations in epoxy-based materials such as adhesives, coatings, pre-pregs, structural foams, injection-molded products and self-healing epoxies. Concluding remarks and perspectives are discussed in a short final section. The result is a one-stop reference source, collecting scientific and technological breakthroughs otherwise spread over hundreds of publications, patents and reports.

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Omron cj1m-cpu12 nuovo

Omron cj1m-cpu12 nuovo

OMRON CJ1M-CPU12 NUOVO QUESTA ASTA COMPRENDE SOLO IL PLC Control method Stored program I/O control method Cyclic scan and immediate processing are both possible. Programming LD (Ladder), SFC (Sequential Function Chart), ST (Structured Text), Mnemonic CPU processing mode CJ1M CPU Units: Normal Mode or Peripheral Servicing Priority Mode Instruction length 1 to 7 steps per instruction Ladder instructions Approx. -digit function codes) Execution time CJ1M CPU Units (CPU): Basic instructions: 0.10 s min. Special instructions: 0.15 s min. CJ1M CPU Units (CPU): Basic instructions: 0.10 s min. Special instructions: 0.15 s min. Overhead time CJ1M CPU Units (CPU ms min. CJ1M CPU Units (CPU ms min. Unit connection method No Backplane: Units connected directly to each other. Mounting method DIN Track (screw mounting not possible) Maximum number of connectable Units CJ1M CPU Units: Total of 20 Units in the System, including 10 Units on CPU Rack and 10 Units on one Expansion Rack. Maximum number of Expansion Racks CJ1M CPU Units (CPU only): 1 max. (An I/O Control Unit is required on the CPU Rack and an I/O Interface Unit is required on the Expansion Rack.) CJ1M CPU Units (CPU): Expansion is not possible. Number of tasks 288 (cyclic tasks: 32, interrupt tasks: 256) With CJ1M CPU Units, interrupt tasks can be defined as cyclic tasks called "extra cyclic tasks." Including these, up to 288 cyclic tasks can be used. Note 1. Cyclic tasks are executed each cycle and are controlled with TKON(820) and TKOF(821) instructions. Note 2. The following 4 types of interrupt tasks are supported. Power OFF interrupt tasks: 1 max. Scheduled interrupt tasks: 2 max. I/O interrupt tasks: 32 max. External interrupt tasks: 256 max. Interrupt types Scheduled Interrupts: Interrupts generated at a time scheduled by the CPU Unit's built-in timer. (See note. 1) I/O Interrupts: Interrupts from Interrupt Input Units.

The Cyclic Variations, and More New Poems

The Cyclic Variations, and More New Poems

ISBN: , SKU: , AUTHOR: MacDonald, Alastair, PUBLISHER: Breakwater Books, The Newfoundland Poetry Series was begun in as Breakwater's twentieth anniversary project to honour and preserve the literary talents of our Newfoundland and Labrador poets.

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Head Cyclic cm + Marker tour f12 epf

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Polymer-Solvent Complexes and Intercalates

Polymer-Solvent Complexes and Intercalates

ISBN: , SKU: , AUTHOR: Guenet, J. -M / Meisel, I. / Kniep, C. S., PUBLISHER: Wiley-VCH Verlag GmbH, This volume contains the proceedings of the 3rd International Conference on Polymer-Solvent Complexes and Intercalates held in Besancon, France in August . As the reader will discover, results from various topics involving polymers, polyelectrolytes, polymer-like systems (self-assembling molecules, biological molecules), surfaces etc. were presented and discussed. They highlight the growing impact of this field on various scientific domains, and also the building of a scientific community concerned by the same questions. Acquista Ora

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Atomistic Mechanisms in Beam Synthesis and Irradiation:

Atomistic Mechanisms in Beam Synthesis and Irradiation:

ISBN: , SKU: , AUTHOR: Barbour, John Charles / Roorda, S. / Ila, D., PUBLISHER: Materials Research Society, This volume focuses on understanding the atomistic processes that occur in metals, ceramics (including glasses) and polymers that are exposed to energetic beams for the purpose of synthesizing or modifying a material. In particular, emphasis is given to atomistic approaches for modeling and understanding experimental results. The science presented falls into four categories: (1) surface and thin-film microstructures driven by ion-beam processing, including mechanisms for driving preferential orientation in single-crystal and polycrystalline formations; (2) comparisons and contrasts in the mechanisms involved with high energy, ion-beam radiation and high-fluence-rate effects; (3) identification of mechanisms in beam-assisted synthesis of materials; and (4) atomistic modeling to describe improved mechanical and optical properties of coatings and layers treated with ion beams.

The Chemistry of Cyclo-Octatetraene and Its Derivatives

The Chemistry of Cyclo-Octatetraene and Its Derivatives

ISBN: , SKU: , AUTHOR: Fray, G. I. / Saxton / Saxton, R. G., PUBLISHER: Cambridge University Press, Cyclo-octatetraene is a compound of fundamental importance to theoretical chemists and has played an outstanding role in many aspects of organic and organometallic chemistry. As 8]annulene, the next higher vinylogue of benzene, it is essential to the understanding of cyclic alternating pi systems. As a medium-ring polyene, it undergoes a wide variety of reactions that are often accompanied by skeletal transformations, and it is the progenitor of a large number of interesting species, ranging in complexity from cyclobutadiene to triamantane. It also forms an exceptional variety of complexes with transition metals, important from the viewpoint of bonding theory, and increasingly useful in providing routes to systems that are not readily available by the conventional transformations of organic chemistry. The recent rapid developments and growth of interest in the study of cyclo-octatetraenes and its derivatives make this comprehensive review especially timely.

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Late Transition Metal Polymerization Catalysis

Late Transition Metal Polymerization Catalysis

ISBN: , SKU: , AUTHOR: Rieger, Bernd / Baugh, Lisa / Kacker, Smita, PUBLISHER: Wiley-VCH Verlag GmbH, Even some fifty years after their discovery, transition metals have lost none of their fascination. The use of complex compounds in these elements has not only revolutionized synthesis in the laboratory, but has also led to them playing an important role in many industrial applications. Each year, millions of tons of plastics are produced around the world and, by varying the ligands in the catalytically active compounds, the properties of the resulting polymers can even be tailored for use. For this purpose, sandwich compounds from early transition metals have been common until now, but interest has focused increasingly on the late transition metals. In this book, the world's leading authors from research and industry discuss the latest developments in research into palladium, zinc, iron and nickel catalysis. In so doing, they systematically introduce readers to the basic principles and illustrate how these innovative catalysts can be effectively used for polymerizations. The result is an ideal reference work, invaluable for every organic chemist working in catalysis or polymer research. Acquista Ora

Specchietto retrovisore monitor Dvr record Full HD

Specchietto retrovisore monitor Dvr record Full HD

SPECCHIETTO RETROVISORE MONITOR DVR REGISTRA VIDEO TELECAMERE FRONTALE " specchietto retrovisore con camera di registrazione frontale. La fotocamera frontale risulta già istallata allo specchietto. Registra anche audio, dotata di cassa. Le vostre registrazioni vengono salvate sulla memoria TF(MicroSd (non inclusa nella confezione)) che deve essere di capacità massima 32GB. Specchietto retrovisore con camera hd, strumento molto utilizzato dalle forze dell'ordine (specialmente statunitensi) al fine di registrare e tenere traccia di tutto ciò che accade. In alcuni stati viene spesso utilizzata anche come "scatola nera" da molte compagnie di assicurazione al fine di avere informazioni precise su eventuali sinistri. Documentare quello che accade durante la guida del proprio autoveicolo può essere un utile strumento di indagine anche in caso di rapine e furti d'auto. Facile da installare, basta applicarlo sovrapponendolo al normale specchietto retrovisore grazie agli elastici in dotazione. Registra attraverso la sua telecamera in formato fullHD P direttamente sulla micro Sd che potrete inserire(non inclusa nella confezione) di capacità massima di 32GB. Dotata di funzione di registrazione ciclica, quindi appena si riempie la memoria TF il nuovo video andrà a sovrascrivere sul vecchio video, quindi si consiglia in caso di problemi quali sinistri stradali di effettuare subito il salvataggio su un pc. Funzione Night Vision e angolatura massima di registrazione di 120° con Motion Detection inclusa. Caratteristiche: Speaker per registrazione vocale.Schermo da 2,8" Focale lente 120° Supporta schede di memoria MicroSD (max 32gb). Funziona con cavo di alimentazione micro usb inserito al dispositivo e presa 12v attaccato all'auto. Risoluzione xp, camera da 5mp Funzione di retrovisore Formato di compressione H.P, 30 FPS G-Sensor: Built-in (per salvare auto emergenze di incidenti, il documento non sarà cancellato) Cyclic Recording Ecc

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Meridian DSP

Meridian DSP

Meridian DSP White High Gloss Onboard Digital Signal Processing for dynamic bass protection with exceptionally accurate transients. DSP always delivers clear, accurate, quality sound even at high levels and for prolonged periods. Meridian SpeakerLink connectivity makes DSP quick and easy to set up and install. Featuring a wide-range driver that allows the DSP crossover frequency to be well outside the speech band, the DSP delivers an effortless sound that remains clear, open and spacious, even at high listening levels. DSP Loudspeakers The traditional setup – amplifiers driving passive loudspeakers – is inefficient, limiting sound quality. Meridian loudspeakers contain a complete, matched audio system with efficient DSP crossovers, multiple DACs and driver-specific amplifiers, giving higher overall quality, less power use, and the performance of a traditional loudspeaker eight times the physical volume. SpeakerLink Traditional audio systems often require large, expensive cables to maintain their performance. Meridian's SpeakerLink uses an “Ethernet style” cable that delivers pristine digital sound and control down a single cable between Meridian components. The result is simple, unobtrusive, and cost-effective cables that are easy to install. Triple FIFO Buffering Each sample of a digital recording must remain evenly spaced in time. Unfortunately, timing can vary, especially when reading discs. This is “jitter”, degrading music's sense of space and diminishing realism. Meridian's multiple “First In, First Out” buffering system minimises jitter, ensuring perfect timing and improved clarity. You enjoy a clearer feeling of the instruments and their interrelationship. Meridian High Resolution (MHR) MHR was the first approved encryption method for transferring high definition digital audio between components. Previously, it had to be in the analogue domain, reducing quality. MHR allows secure movement of high resolution digital audio within a Meridian system, without compromise, improving quality by reducing cyclic repetition. Meridian Apodising Filter Filters are critical in digital audio. Commonly they introduce distortion and harshness because of "pre-ringing". Early digital recordings suffer from harshness too, due to primitive filters. After painstaking research, Meridian developed a special filter that avoids pre-ringing, so it can be steeper, cleaning up the effects of early filters. The result: a better, cleaner sound from recordings old and new. Wide Range Driver Loudspeakers use crossovers to “divide” music into bands their drivers can reproduce. This introduces distortion, reducing sound quality – particularly on human voice recordings. Designing a single driver for both mid and high frequencies made a crossover within the vocal range unnecessary, avoiding distortion and reproducing more lifelike vocals at all volume levels. Performance Frequency response in-room within 3dB from 45Hz to over 20kHz. Output >105dB spl @ 1m on music material. Noise less than 15dB spl. Connections Meridian SpeakerLink in and out (RJ45) Construction 2-way sealed enclosure system. Drivers 1 x 165mm polypropylene bass driver. 1 x 85mm aluminium cone wide-range driver. Amplifiers Two 75W power amplifiers, one for each driver. Overall distortion typically

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